Homoleptic Phosphaalkyne Complexes of Silver(I)
| Autor: | Mario Latronico, Manfred Scheer, Gábor Balázs, Eva-Maria Rummel, Alexander V. Virovets, Pietro Mastrorilli, Stefano Todisco |
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| Rok vydání: | 2016 |
| Předmět: |
side-on complexes
phosphaalkynes Phosphaalkyne Stereochemistry 010402 general chemistry 01 natural sciences Catalysis Ion chemistry.chemical_compound Atom Molecule silver Homoleptic weakly coordinating anions Homoleptic compounds 010405 organic chemistry Chemistry (all) Center (category theory) General Chemistry General Medicine 0104 chemical sciences Crystallography chemistry Yield (chemistry) |
| Zdroj: | Angewandte Chemie (International ed. in English). 55(42) |
| ISSN: | 1521-3773 |
| Popis: | By employing silver salts with a weakly coordinating anion Ag[A] ([A]=[FAl{OC12F15}(3)], [Al{OC(CF3)(3)}(4)]), two phosphaalkynes could be coordinated side-on to a bare silver-(I) center to form the unprecedented homoleptic complexes [Ag(eta(2)-P equivalent to CtBu)(2)][FAl{OC12F15}(3)] (1) and [Ag(eta(2)-P equivalent to CtBu)(2)]-[Al{OC(CF3)(3)}(4)] (2). DFT calculations show that the perpendicular arrangement in 1 is the minimum energy structure of the coordination of the two phosphaalkynes to a silver atom, whereas for 2 a unique square-planar coordination mode of the phosphaalkynes at Ag+ was found. Reactions with donor molecules yield the trigonally planar coordinated silver salts [((CH3)(2)CO) Ag(eta(2)-P equivalent to CtBu)(2)][FAl{OC12F15}(3)] (3) and [(C7H8)(2)Ag(eta(2)-P equivalent to CtBu)][FAl{OC12F15}(3)] (4). All of the compounds were comprehensively characterized in solution and in the solid state. |
| Databáze: | OpenAIRE |
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